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[SOLVED] Radiusd cannot start at the system boot time on Fedora 17 18 Jan 2013 | 12:20 am
I found that radiusd cannot start at boot time after reboot the server on Fedora 17, but I can start it manually. I checked the log files, and found that mysqld start later than radiusd. So radiusd ca...
Install brutessh on CentOS 5.8 30 Oct 2012 | 10:59 pm
For security reason, our NOC team should limit ssh access outside from our customers so as to prevent SSH brute force attacks. After tuned the firewall of routers, we need to test if the firewall work...
Fedora 17 enable rc.local 16 Oct 2012 | 01:05 am
My co-worker asked me where was the rc.local file on his Fedora 17 server because he want to add something in it. I helped him for a while, so I think it is necessary to post the way here so that we c...
Install Snort 2.9.2.2 on CentOS 5.8 (X86_64) 7 Apr 2012 | 08:39 pm
Snort is a free lightweight network intrusion detection system(NIDS). The following steps are what I installed Snort 2.9.2.2 on my CentOS 5.8 server. Install CentOS 5.8 (X86_64) When I installed the...
Setup Multiple Routes on Fedora 16 1 Apr 2012 | 06:05 pm
Our one server had two network interface cards(NICs) , and they used two different subnets. We wanted to use one NIC for our VIP customers, and the other NIC for normal customers. But when we configur...
[Solved]Could not allocate requested partitions: requested size exceeds maximum allowed 1 Feb 2012 | 07:24 am
We had a server which had 4 hard drivers made RAID10 using LSI hardware RAID card. The total size of hard driver was 4TB. I wanted to install Fedora 16 on it via graphical mode. I choose “Create Custo...
Install and configure Zabbix on Fedora 16 29 Jan 2012 | 09:21 am
Install packages # yum install zabbix zabbix-agent zabbix-docs zabbix-server zabbix-server-mysql zabbix-web zabbix-web-mysql # yum install mysql-server httpd curl-devel net-snmp net-snmp-devel iksem...
Install and configure Icinga on Fedora 16 21 Jan 2012 | 07:52 pm
When I installed Fedora 16 on my server, I installed MySQL and http. Enable mysqld and httpd boot up automatically # systemctl enable mysqld.service # systemctl enable httpd.service Install necess...
An easy way to find out which servers have been rebooted after black out 15 Jan 2012 | 12:58 pm
When I went to work on Thursday morning, my colleague on night duty said there was a power outage for 1 second which caused some of the servers to reboot. My manager wanted to know which of the server...
Creating my own systemd service files on Fedora 16(x86_64) 20 Nov 2011 | 12:47 pm
systemd is a replacement for the System V init daemon for Linux. It is intended to provide a better framework for expressing services’ dependencies, allow more work to be done in parallel at system st...
